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Table 3 Example for promximity searches to query the daily dose of a medication instruction

From: Replicating medication trend studies using ad hoc information extraction in a clinical data warehouse

Query

Expanded query

Matching

Not matching

Delix 5 mg

“Delix 5 1 0 0” OR

Delix 5mg 1-0-0

Delix 5mg 1-0-1

 

“Delix 5 1/2 1/2 0”

Delix 5mg 1/2-0-1/2

Delix 5mg 0-0-1/2

  

Delix 5-mg 0 1 0

Delix 5 mg 0-1-1/2

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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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